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Published on Feb 23, 2016
This LED flasher circuit will run for 10 years on a 1.5v AA cell. This is an update to previous circuits and I have included a download link to a PC board PDF file. Download Link: https://goo.gl/1H9XUY Make the PC-board with the COLD TONER TRANSFER method: https://youtu.be/HBIxvwZ_0og